1. INVESTIGATION OF LASER ULTRASONIC EVALUATION FOR USE AS AN IN SITU PROCESS MONITORING TOOL FOR LASER-BASED DIRECTED ENERGY DEPOSITION Open Access Author: Brennan, Marissa C Title: INVESTIGATION OF LASER ULTRASONIC EVALUATION FOR USE AS AN IN SITU PROCESS MONITORING TOOL FOR LASER-BASED DIRECTED ENERGY DEPOSITION Graduate Program: Materials Science and Engineering Keywords: Laser UltrasonicsTi-6Al-4VInconel 71817-4PH stainless steelIn situDirected Energy DepositionAdditive Manufacturing File: Download Brennan_Marissa_MSThesis_18.pdf Committee Members: Todd Palmer, Thesis Advisor/Co-AdvisorAllison Michelle Beese, Committee MemberClifford Jesse Lissenden III, Committee MemberJayme Scot Keist, Committee Member